As a horse owner, you are the first line of defense. While your vet is the expert, you are the one who knows your horse’s “normal.” In an emergency, being able to provide accurate vitals can save your vet time and potentially save your horse’s life.

Here is the breakdown of what is normal, how to measure it, and when to pick up the phone.

1. Temperature (T)

A horse’s temperature is a direct window into their internal health.

• Normal Range: 99.5°F to 101.5°F (37.5°C to 38.5°C).

• How to Take It: Use a digital rectal thermometer with a bit of lubricant (like Vaseline). Stand to the side of the horse’s hip, lift the tail, and insert.

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• Red Flag: Anything over 102°F (at rest) indicates a fever. If it hits 103°F+, call the vet immediately.

2. Pulse / Heart Rate (P)

The heart rate tells you about your horse’s stress levels, pain, and cardiovascular fitness.

• Normal Range: 28 to 44 beats per minute (bpm).

• How to Take It: * Stethoscope: Place it just behind the left elbow. Listen for the “lub-dub”—that counts as one beat.

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  • Manual: Feel the facial artery that runs along the bottom of the jawbone.

  • Calculation: Count for 15 seconds and multiply by 4.

• Red Flag: A resting heart rate over 60 bpm often indicates significant pain or distress.

3. Respiration (R)

Don’t measure this while your horse is sniffing your hand!

• Normal Range: 8 to 15 breaths per minute.

• How to Take It: Watch the nostrils flare or the flank rise and fall. One “in and out” cycle is one breath.

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• Red Flag: If the respiration rate is higher than the heart rate (inversion), or if the horse is “pumping” with its chest at rest, seek help.

The “Bonus” Vitals

Beyond the standard TPR, these two tests tell you about hydration and circulation: